This is the fourth, fifth, and sixth volume of President Sergio Osmeña’s official papers, which constitutes the fourth book of the Messages of the President series. The series was started in 1936 by Executive Secretary Jorge B. Vargas, during the first year in office of Manuel L. Quezon, the first President of the Commonwealth of the Philippines. The fourth volume contains President Osmeña’s executive orders, which provide for rules of a general or permanent character in implementation or execution of constitutional or statutory powers. The fifth volume collects President Osmeña’s administrative orders, which relate to particular aspects of governmental operations in pursuance of the President’s duties as administrative head. The sixth volume collects President Osmeña’s proclamations, which fix a date or declare a status or condition of public interest or importance.